<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>数据统计</el-breadcrumb-item>
        <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
        <!-- 2、为ECharts准备一个具备大小（宽高）的Dom -->
        <div id="main" style="width:850px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
//1、导入echarts
import * as echarts from 'echarts'
import _ from 'lodash'
export default {
    data() {
        return {
            //需要合并的数据
            options: {
                title: {
                text: '用户来源'
                },
                tooltip: {
                trigger: 'axis',
                axisPointer: {
                    type: 'cross',
                    label: {
                    backgroundColor: '#E9EEF3'
                    }
                }
                },
                grid: {
                left: '3%',
                right: '4%',
                bottom: '3%',
                containLabel: true
                },
                xAxis: [
                {
                    boundaryGap: false
                }
                ],
                yAxis: [
                {
                    type: 'value'
                }
                ]
            }
        }
    },
    created() {
        
    },
    //执行mounted时初始化完毕DOM
    async mounted() {
        //3、初始化echarts
        var myChart = echarts.init(document.getElementById('main'));

        const{data:res}=await this.$http.get('reports/type/1')
        if(res.meta.status !==200) 
                return this.$message.error('获取数据失败')
        //4、准备数据和配置项
        const result= _.merge(res.data,this.options)
        //展示数据
        myChart.setOption(result);
    },
    methods: {
        
    },
}
</script>

<style lang='less' scoped>

</style>